
Hydrastine is a natural alkaloid which was discovered in 1851 by Alfred P. Durand. Hydrolysis of hydrastine yields hydrastinine, which was patented by Bayer as a haemostatic drug during the 1910s. It is naturally present in Hydrastis canadensis (thus the name) and other plants of the ranunculaceae family. ...
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http://en.wikipedia.org/wiki/Hydrastine

• (n.) An alkaloid, found in the rootstock of the golden seal (Hydrastis Canadensis), and extracted as a bitter, white, crystalline substance. It is used as a tonic and febrifuge.
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http://thinkexist.com/dictionary/meaning/hydrastine/
Hy·dras'tine noun (Chemistry) An alkaloid, found in the rootstock of the golden seal (
Hydrastis Canadensis ), and extracted as a bitter, white, crystalline substance. It is used as a tonic and febrifuge.
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http://www.encyclo.co.uk/webster/H/75

Type: Term Pronunciation: hī-dras′tēn Definitions: 1. An alkaloid of hydrastis; an isoquinoline chemically related to narcotine. (+) hydrastine is a GABA
14 antagonist and convulsant.
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http://www.medilexicon.com/medicaldictionary.php?t=41833

an alkaloid, CHNO, that is extracted from the roots of goldenseal and forms prismatic crystals: used as an astringent and to inhibit uterine bleeding.
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https://www.infoplease.com/dictionary/hydrastine
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